Every Arduino tutorial here is built and tested on real hardware — no untested copy-paste code. You’ll find sensor integrations, motor control, displays, RFID, and complete project builds, each with a wiring diagram and sketch. The boards below are the same pre-soldered Nanos and Megas used in the guides.
Shop the parts used in these tutorials
ESP32 DS18B20: Wi-Fi Smoker Thermometer Alerts | ShillehTek
Build an ESP32 DS18B20 Wi-Fi BBQ thermometer with OLED readout and Telegram alerts, so you can monitor long smoker co...
ESP32 Relay: Build a Wi-Fi Smart Plug | ShillehTek
Build an ESP32 + relay Wi-Fi smart plug you can control via web UI or MQTT, with Tasmota-compatible options and no cl...
ESP32-S3 NEO-6M: No-SIM LoRa GPS Tracker | ShillehTek
Build an ESP32-S3 NEO-6M SX1262 no-SIM LoRa GPS tracker that transmits live coordinates to a base station for off-gri...
Arduino Nano MAX30102: OLED Pulse Oximeter Build | ShillehTek
Build an Arduino Nano MAX30102 pulse oximeter with an SSD1306 OLED for live BPM and SpO2 readout using simple I2C wir...
ESP32-CAM HC-SR501 PIR: Motion Photo Alerts via Wi-Fi | ShillehTek
Build an ESP32-CAM doorbell with an HC-SR501 PIR sensor that snaps a photo on motion, saves to microSD, and sends Wi-...
ESP32 HX711: Beehive Weight and Climate Dashboard | ShillehTek
Build an ESP32 beehive monitor with HX711 weight sensing plus DS18B20 and DHT22 climate data, then view trends remote...
ESP32 MQ-135: Air Quality Dashboard with OLED | ShillehTek
Build an ESP32 air quality dashboard using an MQ-135, DHT22, and SSD1306 OLED, with live readings on-screen and on a ...
ESP32 Reed Switch Relay: Remote Garage Door Control | ShillehTek
Build an ESP32 garage door controller with a reed switch and relay for remote open/close and real-time door status al...
Arduino HX1838 IR Receiver: Decode Remote Codes | ShillehTek
Build an Arduino HX1838 IR receiver reader that decodes any remote into HEX button codes, making it easy to map input...
ESP32 BME280 + ST7735: Wi-Fi Weather Station Display | ShillehTek
Build an ESP32 Wi-Fi weather station with a BME280 sensor and ST7735 TFT display to show indoor readings plus OpenWea...
ESP32 HC-SR501 PIR: Telegram mailbox alerts | ShillehTek
Build an ESP32 + HC-SR501 PIR mailbox notifier that sends Telegram alerts when the door opens, helping you avoid wast...
ESP32 vs ESP8266: Pick the Best Board for 2026 | ShillehTek
Compare ESP32 vs ESP8266 in 2026 to pick the right Wi-Fi microcontroller board based on GPIO, Bluetooth, ADC, cost, a...